Tire tread



FIG. 1 is a perspective view of a tire tread, showing my new design; and,

FIG. 2 is a front view thereof; it being understood that the back, top and bottom view are the same as the front view.

The broken line showings of the remainder of the tire are for illustrative purposes only and form no part of the claimed invention. 

CLAIM The ornamental design for a tire tread, as shown and described. 